[SOLVED] Ubuntu release-upgrade in container, is it possible / recommended?

[titust11]

I am running Ubuntu 21.10 (impish) in a Proxmox container downloaded from a Proxmox template
The issue I am facing:

When I try apt-get update it says: impish update are not available. (apparently starting July 14 is not supported anymore)
When I login the system displays the message: New release '22.04 LTS' available.
Run 'do-release-upgrade' to upgrade to it.

Is it advisable to go to 22.04 LTS by running do-release-upgrade?
Should I do anything else before?
Thanks

 

[titust11]

Yes, it's possible and working fine. I cloned my LXC and performed the upgrade in the clone. It worked perfectly and then I removed the initial LXC